Active Grille Air Shutter Module A Over Temperature

Common symptoms

What you'll notice

• Check the wiring and connections of the Active Grille Air Shutter Module A
• Inspect and clean the air intake grille for any debris or obstructions
• Replace the temperature sensor in the Active Grille Air Shutter Module A
• Update the firmware or software of the vehicle's control module related to the Active Grille Air Shutter Module A

Common causes

Most likely first

1. Malfunctioning or faulty Active Grille Air Shutter Module A
2. Insufficient cooling system or radiator malfunction
3. Wiring or electrical connection failure
4. Faulty temperature sensor
5. Software or programming issue

How to diagnose & fix

Work through it in order

1. Engine overheating
2. Decreased fuel efficiency
3. Lack of power or acceleration
4. Illuminated check engine light
5. Abnormal noise or rattling from the engine compartment